Read Theory  

Copied from ReadTheory.org:

Accompany your students on a journey through our vast library of reading comprehension content. ReadTheory's adaptive approach fosters improvement by automatically meeting learners at their own, individual ability levels. Signup takes seconds and no time is spent vetting assignments. Progress is shown on an intuitive report, replete with actionable, meaningful insights. Our program is completely free.

7.4 million students have completed 130 million quizzes on ReadTheory to date.